-The transmitter is waterproof but receivers not.
-The transmitter without screw chuck design to achieve waterproof and dustproof.
-Double-sided stability of the PCB, the chip standby sleep up to micro-level.
-The transmitter 12V23A battery factory pre-installed (include battery).
-The use of microprocessor control, double-sided PCB micro-power design.
-Use of premises: Home office villa hospital school factory.
DIY Supplies: Electrical
Doorbell Type: Wireless
Power Source: AC,Battery
Power supply: 110V-220V-240V
Working frequency: 433MHZ
Ring Tone: 38 ring tones
Waterproof : yes
Power Source: Plug EU
Transmitter size:74mm X 50mm X18mm
Receiver size:95mm x 65mm x 24mm
Battery mode: 12v 23A battery (include battery)
Receiving distance: 300M Remote (in open area)
2 x Receivers
1 x Transmitter
1 x Double faced adhesive tape
1 x Sticker
2 x Screws
1 x Instructions